
FBI — Federal Bureau of Investigation
We protect the American people and uphold the US Constitution. You can report suspicious activities and crime by contacting us 24/7 at tips.fbi.gov.
What We Investigate — FBI
The FBI is dedicated to eliminating transnational organized crime groups that pose the greatest threat to the national and economic security of the United States.
Contact Us — FBI
Please contact your local FBI office to submit a tip or report a crime. Use our online form to file electronically or call the appropriate toll-free number.
FBI Headquarters
The first FBI employees moved into the new Headquarters building on June 28, 1974. At that time, FBI Headquarters offices were housed in nine separate locations.
Services — FBI
The FBI doesn't just solve cases and prevent attacks. It also provides a range of services to its many partners and to the general public.
About — FBI
The mission of the FBI is to protect and defend against intelligence threats, uphold and enforce criminal laws, and provide criminal justice services.
Cyber — FBI
The FBI is the lead federal agency for investigating cyberattacks by criminals, overseas adversaries, and terrorists. The threat is incredibly serious—and growing.
Field Offices — FBI
Our local FBI offices are all about protecting your communities. The FBI has 56 field offices (also called divisions) centrally located in major metropolitan areas across the U.S. and Puerto Rico.
What is the FBI? — FBI
What is the FBI? The FBI is an intelligence-driven and threat-focused national security organization with both intelligence and law enforcement responsibilities.
What is the mission of the FBI? — FBI
The mission of the FBI is to protect the American people and uphold the Constitution of the United States. For more information, visit the FBI's Mission and Priorities page.